2454421021400 has 96 divisors (see below), whose sum is σ = 5751302272560. Its totient is φ = 974095319040.

The previous prime is 2454421021399. The next prime is 2454421021411. The reversal of 2454421021400 is 41201244542.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13094744 + ... + 13280856.

Almost surely, 2^{2454421021400} is an apocalyptic number.

2454421021400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2454421021400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2875651136280).

2454421021400 is an abundant number, since it is smaller than the sum of its proper divisors (3296881251160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2454421021400 is a wasteful number, since it uses less digits than its factorization.

2454421021400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186645 (or 186636 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 2454421021400 its reverse (41201244542), we get a palindrome (2495622265942).

The spelling of 2454421021400 in words is "two trillion, four hundred fifty-four billion, four hundred twenty-one million, twenty-one thousand, four hundred".